CVE-2026-68349
wifi: carl9170: fix buffer overflow in rx_stream failover path
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: carl9170: fix buffer overflow in rx_stream failover path The failover continuation in carl9170_rx_stream() copies the full tlen from the second USB transfer instead of capping at rx_failover_missing bytes. When both transfers are near maximum size, the total exceeds the 65535-byte failover SKB, triggering skb_over_panic. Limit the copy size to the missing byte count. [Fix checkpatch CHECK:PARENTHESIS_ALIGNMENT]
INFO
Published Date :
Aug. 10, 2026, 1:20 p.m.
Last Modified :
Aug. 17, 2026, 6:17 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Solution
- Limit the copy size to the missing byte count in carl9170_rx_stream.
- Ensure proper handling of USB transfer sizes.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-68349.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-68349 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-68349
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-68349 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-68349 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 17, 2026
Action Type Old Value New Value Changed Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': 'a84fab3cbfdc427e7d366f1cc844f27b2084c26c', 'lessThan': '5acfa18de66b6089b81c1c0bf1a3ae3c940ec39e', 'versionType': 'git'}, {'status': 'affected', 'version': 'a84fab3cbfdc427e7d366f1cc844f27b2084c26c', 'lessThan': 'b9dfee5e63ee9b5c47be9e344ebc5bd3f43fca78', 'versionType': 'git'}, {'status': 'affected', 'version': 'a84fab3cbfdc427e7d366f1cc844f27b2084c26c', 'lessThan': '4503829843353dbb18b879c35be1cdfc9af677b7', 'versionType': 'git'}, {'status': 'affected', 'version': 'a84fab3cbfdc427e7d366f1cc844f27b2084c26c', 'lessThan': '21f59906ea75618fdd46a7e32754d54fbee083ea', 'versionType': 'git'}, {'status': 'affected', 'version': 'a84fab3cbfdc427e7d366f1cc844f27b2084c26c', 'lessThan': 'a1a21995c2e1cc2ca6b2226cfe4f5f018370182a', 'versionType': 'git'}], 'programFiles': ['drivers/net/wireless/ath/carl9170/rx.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '2.6.37'}, {'status': 'unaffected', 'version': '0', 'lessThan': '2.6.37', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.6.148', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.101', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.42', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.6', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc5', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/net/wireless/ath/carl9170/rx.c'], 'defaultStatus': 'affected'}] [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': 'a84fab3cbfdc427e7d366f1cc844f27b2084c26c', 'lessThan': '5acfa18de66b6089b81c1c0bf1a3ae3c940ec39e', 'versionType': 'git'}, {'status': 'affected', 'version': 'a84fab3cbfdc427e7d366f1cc844f27b2084c26c', 'lessThan': 'b9dfee5e63ee9b5c47be9e344ebc5bd3f43fca78', 'versionType': 'git'}, {'status': 'affected', 'version': 'a84fab3cbfdc427e7d366f1cc844f27b2084c26c', 'lessThan': '4503829843353dbb18b879c35be1cdfc9af677b7', 'versionType': 'git'}, {'status': 'affected', 'version': 'a84fab3cbfdc427e7d366f1cc844f27b2084c26c', 'lessThan': '21f59906ea75618fdd46a7e32754d54fbee083ea', 'versionType': 'git'}, {'status': 'affected', 'version': 'a84fab3cbfdc427e7d366f1cc844f27b2084c26c', 'lessThan': 'a1a21995c2e1cc2ca6b2226cfe4f5f018370182a', 'versionType': 'git'}], 'programFiles': ['drivers/net/wireless/ath/carl9170/rx.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '2.6.37'}, {'status': 'unaffected', 'version': '0', 'lessThan': '2.6.37', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.6.148', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.101', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.42', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.6', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/net/wireless/ath/carl9170/rx.c'], 'defaultStatus': 'affected'}] -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 10, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': 'a84fab3cbfdc427e7d366f1cc844f27b2084c26c', 'lessThan': '5acfa18de66b6089b81c1c0bf1a3ae3c940ec39e', 'versionType': 'git'}, {'status': 'affected', 'version': 'a84fab3cbfdc427e7d366f1cc844f27b2084c26c', 'lessThan': 'b9dfee5e63ee9b5c47be9e344ebc5bd3f43fca78', 'versionType': 'git'}, {'status': 'affected', 'version': 'a84fab3cbfdc427e7d366f1cc844f27b2084c26c', 'lessThan': '4503829843353dbb18b879c35be1cdfc9af677b7', 'versionType': 'git'}, {'status': 'affected', 'version': 'a84fab3cbfdc427e7d366f1cc844f27b2084c26c', 'lessThan': '21f59906ea75618fdd46a7e32754d54fbee083ea', 'versionType': 'git'}, {'status': 'affected', 'version': 'a84fab3cbfdc427e7d366f1cc844f27b2084c26c', 'lessThan': 'a1a21995c2e1cc2ca6b2226cfe4f5f018370182a', 'versionType': 'git'}], 'programFiles': ['drivers/net/wireless/ath/carl9170/rx.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '2.6.37'}, {'status': 'unaffected', 'version': '0', 'lessThan': '2.6.37', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.6.148', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.101', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.42', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.6', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc5', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/net/wireless/ath/carl9170/rx.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: wifi: carl9170: fix buffer overflow in rx_stream failover path The failover continuation in carl9170_rx_stream() copies the full tlen from the second USB transfer instead of capping at rx_failover_missing bytes. When both transfers are near maximum size, the total exceeds the 65535-byte failover SKB, triggering skb_over_panic. Limit the copy size to the missing byte count. [Fix checkpatch CHECK:PARENTHESIS_ALIGNMENT] Added Reference https://git.kernel.org/stable/c/21f59906ea75618fdd46a7e32754d54fbee083ea Added Reference https://git.kernel.org/stable/c/4503829843353dbb18b879c35be1cdfc9af677b7 Added Reference https://git.kernel.org/stable/c/5acfa18de66b6089b81c1c0bf1a3ae3c940ec39e Added Reference https://git.kernel.org/stable/c/a1a21995c2e1cc2ca6b2226cfe4f5f018370182a Added Reference https://git.kernel.org/stable/c/b9dfee5e63ee9b5c47be9e344ebc5bd3f43fca78